Piezoelectrically tunable blue laser supports 900-megahertz chirps
A 461-nanometre integrated laser combined a linewidth below 30 kilohertz with mode-hop-free tuning across 900 megahertz and supported laboratory underwater ...
Tag: gallium nitride
Virtual Machine and Passivity Control Tame Dangerous Voltage Swings in DC Power Converters
Chinese researchers combined virtual DC machine control with passivity-based control to cut bus-voltage deviations by up to 91.7 percent in ...
AI Meets the Fab: Fraunhofer IAF Brings Intelligent Chip Design and Sovereign III-V Pilot Lines to Stuttgart
Fraunhofer IAF will showcase its new AI-driven chip design initiatives in Heilbronn and its sovereign III-V semiconductor pilot lines at ...
Single-Crystal Nanomembranes Unlock a New Era of Photonic Chip Integration
Researchers have demonstrated a versatile van der Waals integration framework that transfers free-standing single-crystalline nanomembranes of barium titanate, cobalt ferrite, ...
Gallium Nitride Transistor Probes Strip Light Artifacts From Optogenetic Brain Recordings
Researchers at Sun Yat-sen University have built an integrated optogenetic probe using paired AlGaN/GaN transistors that suppresses LED-induced optical artifacts ...
Polarization Superjunctions Push Gallium Nitride Power Transistors Toward Their Theoretical Limits
A new gallium nitride transistor design uses a polarization-based superjunction to distribute electric fields and push average breakdown field toward ...
Polarization Superjunctions Could Unlock the Next Era of Power Electronics
Researchers propose that the strong intrinsic polarization of III-nitride heterostructures can create doping-free, charge-balanced superjunctions for a new generation of ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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